Monday, July 4, 2011

stieber free wheels one way clutch bearings one way series bearings one side moving bearings one side stop bearings stieber germany india stockiest a


What can industrial freewheels do ?

RIV Company is the Egyptian agent of STIEBER GmbH, specialized in freewheels, freewheels are directional couplings, which means that the driving member rotates the driven member in one direction, while automatically disengaging itself from the driven member when the direction of rotation is reversed, the two operating states are:
  1. Transmission of torque.
  2. Idling (overrunning).
          1. The freewheels may be employed as:
            1. Overrunning clutch, the freewheel disengages automatically when the driven member rotates faster than the driving member.
            2. Indexing clutch, the freewheel allows the conversion of reciprocating motion into rotational movement.
            3. Backstop, the freewheel allows rotation in one direction only, it overruns continuously during operation, the freewheel prevents reverse rotation if the drive is disconnected.
            Two basic versions are available, the overrunning speed determines the selection of the appropriate model:
            1. Grip-roller freewheels for low to medium overrunning speeds and for indexing clutches.
            2. Sprag freewheels for high overrunning speeds and for backstops.

            4. Stieber Bearings Egypt Bearings Installed in a drive system as an overrrunning clutch,they automatically disengage a faster-running driven part from a slowerdriving part.
              APPLICATIONS
              • Ventilators
              • Standby drives shredders
              • Butcher machines
              • Rotary furnaces
              • Dry cleanning installations

              Stieber Bearings Egypt Bearings Used as backstops, they automatically prevent unintentionalrotation opposite to the desired direction of drive, without having toapply external energy.
              APPLICATIONS
              • Gear drives
              • Motors
              • Pumps
              • Elevators
              • Conveyors, cranes

              Stieber Bearings Egypt Bearings Applied as indexing clutches, they transform reciprocalmotion into intermittent rotation.
              APPLICATIONS
              • Printing machines
              • Packing machines
              • Sewing machines
              • Feeding mechanisns

              Stieber Bearings Egypt Bearings Used as single revolution clutches, with exactnessand indexing accuracy, they enable coupling and disengagement of continuouslyrunning drives and periodically operated installations.
              APPLICATIONS
              • Printing machines
              • Packing machines
              • Sewing machines
              • Feeding mechanisns

              Locking elements


              Locking Rollers

              Stieber Bearings Egypt Bearings

              Individual spring compensates for machining tolerances. Therefore eachroller is loaded with the same torque. All rollers are instantly lockedwhen coupled.


              Sprags

              Stieber Bearings Egypt Bearings Compact sprag element easily integrated into a mechanismwhen used with hardened shaft and housing. Hight shaft overrunning speedspossible with correct lubrication.
              Stieber Bearings Egypt Bearings Sprags centrifugally disengage from shaft during overrunning to becomenon-contact and non-wearing. Accepts high eccentricity and any type oflubricant. High shaft speeds possible with reduced lubrication.

              Input

              Input inner race

              1 Outer race + n CW rotation, 2 Inner race- n CCW rotation, alpha clamp angle
              Stieber Bearings Egypt Bearings Stieber Bearings Egypt Bearings
              Coupled + n1 < + n2 Overrunning n1 > n2 Coupled - n1 < - n2 Overrunning - n1 > - n2

              Input outer race

              1 Outer race + n CW rotation, 2 Inner race- n CCW rotation, alpha clamp angle
              Stieber Bearings Egypt Bearings Stieber Bearings Egypt Bearings
              Coupled + n2 < + n1, Overrunning + n2 >+ n1 Coupled - n2 < - n1, Overrunning - n2 > - n1

              Types

              Types

              Stieber Bearings Egypt Bearings

              ASK

              CSK / CSK..P

              CSK..2RS

              GFK

              Average overrunning
              speed [m/s]              		 Inner race overruns 12 12 12 12
              Outer race overruns 12 12 12 8
              Clamping element Roller 1) X
              Sprag X X X
              Individually spring loaded X X X X
              Cage X X X
              Bearing Ball bearing X X X X
              Operating mode Overrunning clutch X X X X
              Backstop X X X X
              Indexing clutch [X] X X&nbs p; X
              Types ASK CSK / CSK..P CSK..2RS GFK
              Torque TkN [Nm] 60..210 2..260 2..140 37..365
              Outer dimensions
              corresponding to ball bearing sizes              		 60 62 62 + 5 mm 59
              Standard lubrication Grease X X X X


              Types

              Stieber Bearings Egypt Bearings

              KI

              AS

              ASNU

              AE

              AA

              NF

              Average overrunning
              speed [m/s]              		 Inner race overruns 6 4,5 4,5 5 5 5
              Outer race overruns 7 7 7 12 12 12
              Clamping element Roller 1) X X X X X X
              Individually spring loaded X X X X X X
              Cage X
              Bearing None X X X X X X
              Operating mode Overrunning clutch X X X X X X
              Backstop X X X X X X
              Indexing clutch [X] X X X X X
              Types KI AS ASNU AE AA NF
              Torque TkN [Nm] 0,63..2,3 2..850 9..35600 13..4650 13..4650 16..35500
              Outer dimensions
              corresponding to ball bearing sizes              		 62.. NU23..
              Standard lubrication Oil X X X X X X


              Types

              Stieber Bearings Egypt Bearings

              DC

              Average overrunning
              speed [m/s]              		 Inner race overruns 12
              Outer race overruns 8
              Clamping element Sprag X
              Individually spring loaded X
              Cage
              Bearing None X
              Operating mode Overrunning clutch X
              Backstop X
              Indexing clutch [X]
              Types DC
              Torque TkN [Nm] 50..3840
              Standard lubrication Oil X


              Types

              Stieber Bearings Egypt Bearings

              BAT

              Average overrunning
              speed [m/s]              		 Inner race overruns -
              Outer race overruns 2
              Clamping element Roller X
              Cage X
              Bearing None X
              Operating mode Indexing clutch X
              Types BAT
              Torque TkN [Nm] 20..11500
              Standard lubrication Oil X


              Types

              Stieber Bearings Egypt Bearings

              NFR

              AV

              RSBW

              Average overrunning
              speed [m/s]              		 Inner race overruns 1,5 1,5 1,5
              Outer race overruns 1,5 - -
              Clamping element Roller 1) X X
              Sprag X
              Indi vidually spring loaded X X X
              Cage X
              Bearing Sleeve bearing X X X
              Operating mode Overrunning clutch X
              Backstop X X X
              Indexing clutch X X X
              Types NFR AV RSBW
              Torque TkN [Nm] 16..150 220..8800 435..3900
              Standard lubrication Grease X X
              Oil

              X


              Types

              Stieber Bearings Egypt Bearings

              NFR

              AL / ALP

              GFR / GFRN

              ALZ

              Average overrunning
              speed [m/s]              		 Inner race overruns 5 5 5 5
              Outer race overruns 12 15 15 15
              Clamping element Roller 1) X X X X
              Individually spring loaded X X X X
              Bearing Ball bearing X X X X
              Operating mode Overrunning clutch X X X X
              Backstop X X X X
              Indexing clutch [X] X X X
              Types NFR AL / ALP GFR / GFRN ALZ
              Torque TkN [Nm] 200..27800 44..230000 44..56000 400..16000
              Standard lubrication Oil X X X X


              Types

              Stieber Bearings Egypt Bearings

              FSO

              HPI

              FSO

              Average overrunning
              speed [m/s]              		 Inner race overruns 5,5 - 9 - 5,5 - 9
              Outer race overruns 1,7 - 4,7 9 - 13,5
              Clamping element Sprag X X X
              Individually spring loaded X X X
              Cage X X X
              Bearing Ball bearing X X X
              Operating mode Overrunning clutch X X
              Backstop X X X
              Indexing clutch X X X
              Types FSO HPI FSO
              Standard lubrication Grease X X X
              Oil
              < P>X

              X



              Types

              Stieber Bearings Egypt Bearings

              CR

              RSBF

              RSBI / RBI

              Average overrunning
              speed [m/s]              		 Inner race overruns - 60
              Outer race overruns 60 60 -
              Clamping element Sprag X X X
              Individually spring loaded X X X
              Cage X X X
              Bearing None X X X
              Contact free overrunning Internal X
              External X X
              Operating mode Overrunning clutch [X]
              Backstop X X X
              Types FSO HPI FSO
              Torque TkN [Nm] 180..2300 68..2450 120..42000
              Standard lubrication Oil

              X

              X

              X



              Types

              Stieber Bearings Egypt Bearings

              RAZ / RANZ

              RIZ / RINZ

              Average overrunning
              speed [m/s]              		 Inner race overruns - 20
              Outer race overruns 20 -
              Clamping element Sprag X X
              Individually spring loaded X X
              Cage X X
              Bearing Ball bearing X X
              Contact free overrunning Internal X
              External X X
              Operating mode Overrunning clutch [X] [X]
              Backstop X X
              Types RAZ / RANZ RIZ / RINZ
              Torque TkN [Nm] 50..16300 50..16300
              Standard lubrication Grease

              X

              X



              Types

              Stieber Bearings Egypt Bearings

              AL..G

              ALB..M

              Average overrunning
              speed [m/s]              		 Inner race overruns - 3
              Outer race overruns 24 -
              Clamping element Roller 1) X X
              Individually spring loaded X X
              Bearing Ball bearing X X
              Operating mode Overr unning clutch X
              Backstop X
              Indexing clutch

              [X]

              Types AL..G AL..BM
              Torque TkN [Nm] 44..56000 6850..240000
              Standard lubrication Oil

              X

              X



            VARDHMAN BEARINGS
          1. D-103, VASANT AISHWARIYA
          1. MATHURADAS EXTN RD, KANDIVALI WEST
          1. MUMBAI -400067
          1. MAHARASHTRA
          1. INDIA
          1. TEL: 91-22-28627454
          1. TEL/FAX: 91-22-28653894 , 28656188
          1. CELL : 9819824531 , 9892432411
          1. EMAIL : jigesh2007@hotmail.com
          1. www.vardhmanbearings.com

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